Why the study?
Does the use of new right-angled radiofrequency lesion electrodes in caudalis nucleus DREZ operations provide pain relief and reduce complications in patients with chronic facial pain?
Does the use of new right-angled radiofrequency lesion electrodes in caudalis nucleus DREZ operations provide pain relief and reduce complications in patients with chronic facial pain?
The new right-angled radiofrequency electrodes for caudalis nucleus DREZ operations provide effective pain relief (70%) while reducing the incidence of ipsilateral ataxia.
Answers are grounded in this paper and cite their sources.
May support angled electrodes for caudalis DREZ; hypothesis-generating and requires prospective confirmation before practice change.
Two new right-angled electrodes have been designed for use at the dorsal root entry zone (DREZ) of the caudalis nucleus to provide relief of chronic facial pain. The electrode design was based on an anatomical study of the human caudalis nucleus at the cervicomedullary junction. Previously, caudalis nucleus DREZ operations were often followed by ipsilateral ataxia, usually in the arm. The new electrodes have significantly reduced this complication. A group of 21 patients with varied types of chronic facial pain have been treated, with pain relief in 70%.
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Nashold et al. (1994) studied this question.
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